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RE: Let's start cleaning the air by "Artificial Trees"
hello @tocho2,
it is interesting how humans instead of taking care of the trees that nature took millions of years to form, want to make their own versions of trees. i hope this type of air purifier will be useful for space travel and future colonization of mars.
I love your comment @trabajosdelsiglo, and by now I'm thinking in this too, LOL